7438986 has 32 divisors (see below), whose sum is σ = 16620480. Its totient is φ = 2466288.

The previous prime is 7438973. The next prime is 7438987. The reversal of 7438986 is 6898347.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (7438987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18540 + ... + 18936.

It is an arithmetic number, because the mean of its divisors is an integer number (519390).

Almost surely, 2^7438986 is an apocalyptic number.

7438986 is an abundant number, since it is smaller than the sum of its proper divisors (9181494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7438986 is a wasteful number, since it uses less digits than its factorization.

7438986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755 (or 749 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 7438986 is about 2727.4504578452. The cubic root of 7438986 is about 195.2111322651.

It can be divided in two parts, 74 and 38986, that added together give a triangular number (39060 = T₂₇₉).

The spelling of 7438986 in words is "seven million, four hundred thirty-eight thousand, nine hundred eighty-six".